/* ==========================================================================
   Sigma Saúde — Design System (CSS puro, leve, sem dependências externas)
   ========================================================================== */

:root {
  --color-primary: #0a5fa8;
  --color-primary-dark: #07406f;
  --color-primary-light: #e7f1fb;
  --color-accent: #14b8a6;
  --color-accent-dark: #0d9488;
  --color-ink: #1e293b;
  --color-muted: #64748b;
  --color-surface: #ffffff;
  --color-bg: #f8fafc;
  --color-border: #e2e8f0;
  --shadow-card: 0 16px 40px -14px rgba(10, 95, 168, 0.28);
  --shadow-soft: 0 6px 20px -6px rgba(15, 23, 42, 0.1);
  --radius-lg: 1.5rem;
  --radius-md: 0.9rem;
  --container-width: 1360px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 17px; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; font-weight: 800; }
p { margin: 0 0 1em; color: var(--color-muted); }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: clamp(3.25rem, 6vw, 6.5rem) 0; }
.section-title { font-size: clamp(1.85rem, 3.2vw, 2.75rem); color: var(--color-primary-dark); }
.section-eyebrow {
  display: inline-block;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(20, 184, 166, .12);
  padding: .4rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.1rem;
}
.section-lead { max-width: 660px; font-size: 1.08rem; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem; max-width: var(--container-width); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: .65rem; font-weight: 800; font-size: 1.32rem; color: var(--color-primary-dark); }
.brand__mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.4rem; height: 2.4rem; border-radius: .85rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; font-weight: 800;
}
.brand__logo { display: block; height: 2.4rem; max-width: 11rem; width: auto; object-fit: contain; }
.nav { display: flex; align-items: center; gap: 2rem; }
.nav a { font-weight: 600; font-size: .98rem; color: var(--color-ink); padding: .5rem 0; border-bottom: 2px solid transparent; transition: color .15s, border-color .15s; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--color-primary); border-color: var(--color-accent); }
.nav-toggle {
  display: none; border: 1px solid var(--color-border); background: #fff; border-radius: .6rem;
  width: 2.6rem; height: 2.6rem; cursor: pointer; align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 1.2rem; height: 2px; background: var(--color-ink); position: relative; transition: .2s;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* ----------------------------------------------------------------- hero */
.hero {
  background: linear-gradient(160deg, var(--color-primary-dark), var(--color-primary) 55%, var(--color-accent-dark));
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 60% at 85% 20%, rgba(255,255,255,.18), transparent 70%);
}
.hero--pattern::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-repeat: repeat; background-size: 150px 150px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150' viewBox='0 0 150 150'%3E%3Cg fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' opacity='0.07'%3E%3Cpath d='M30 16v20M20 26h20'/%3E%3Cpath d='M118 92v20M108 102h20'/%3E%3Cpath d='M70 132v18M61 141h18'/%3E%3Cpath d='M4 70c10-16 22-16 32 0s22 16 32 0 22-16 32 0 22 16 32 0' stroke-width='1.6' opacity='.6'/%3E%3C/g%3E%3C/svg%3E");
}
.hero__inner { position: relative; padding: clamp(3.75rem, 8vw, 7.5rem) 0; display: grid; gap: 2.75rem; grid-template-columns: 1.1fr .9fr; align-items: center; }
.hero h1 { font-size: clamp(2.25rem, 4.6vw, 3.6rem); margin-bottom: .65rem; }
.hero p { color: rgba(255,255,255,.88); font-size: 1.12rem; max-width: 560px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.75rem; }
.hero__card {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius-lg); padding: 1.9rem; backdrop-filter: blur(8px);
}
.hero__stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.35rem; margin-top: 1.6rem; }
.hero__stat strong { display: block; font-size: 1.7rem; }
.hero__stat span { font-size: .87rem; color: rgba(255,255,255,.75); }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  font-weight: 700; font-size: .98rem; padding: .95rem 1.85rem; border-radius: .9rem;
  border: 2px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s, color .15s;
}
.btn-primary { background: var(--color-accent); color: #04332c; box-shadow: 0 14px 28px -10px rgba(20,184,166,.6); }
.btn-primary:hover { transform: translateY(-2px); background: #0fcab5; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn-outline:hover { background: rgba(255,255,255,.12); }
.btn-dark { background: var(--color-primary); color: #fff; }
.btn-dark:hover { background: var(--color-primary-dark); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; }

/* ----------------------------------------------------------------- cards */
.grid { display: grid; gap: 1.75rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 2.1rem; box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); }
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 3.25rem; height: 3.25rem; border-radius: 1rem; margin-bottom: 1.1rem;
  background: var(--color-primary-light); color: var(--color-primary); font-size: 1.5rem;
}
.card h3 { color: var(--color-primary-dark); font-size: 1.2rem; }

.plan-card { display: flex; flex-direction: column; }
.plan-card__type {
  align-self: flex-start; font-size: .76rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--color-accent-dark); background: rgba(20,184,166,.12); padding: .35rem .85rem; border-radius: 999px; margin-bottom: 1rem;
}
.plan-card ul { list-style: none; padding: 0; margin: 1.1rem 0 1.6rem; display: grid; gap: .6rem; }
.plan-card li { display: flex; gap: .6rem; align-items: flex-start; color: var(--color-ink); font-size: .97rem; }
.plan-card li::before { content: "✓"; color: var(--color-accent-dark); font-weight: 800; }
.plan-card { margin-top: auto; }

/* ------------------------------------------------------- convênio municipal */
.city-cta {
  display: grid; align-items: center; gap: 1.75rem;
  grid-template-columns: auto 1fr auto;
  background: linear-gradient(120deg, var(--color-primary-light), #fff 65%);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.25rem); box-shadow: var(--shadow-soft);
}
.city-cta__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 3.75rem; height: 3.75rem; border-radius: 1.1rem; font-size: 1.9rem;
  background: #fff; box-shadow: var(--shadow-soft);
}
.city-cta__body p { color: var(--color-muted); }
.city-cta__actions { display: grid; gap: .65rem; justify-items: stretch; min-width: 240px; }

@media (max-width: 880px) {
  .city-cta { grid-template-columns: 1fr; text-align: center; }
  .city-cta__icon { margin: 0 auto; }
  .city-cta__body p { margin-left: auto; margin-right: auto; }
  .city-cta__actions { width: 100%; }
}

/* ---------------------------------------------------------------- bands */
.band { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.band-primary { background: var(--color-primary-light); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.split img { border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }

/* ---------------------------------------------------------------- forms */
.form-grid { display: grid; gap: 1.1rem; }
.form-row { display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .4rem; color: var(--color-ink); }
input, select, textarea {
  width: 100%; font: inherit; padding: .75rem 1rem; border-radius: .65rem;
  border: 1px solid var(--color-border); background: #fff; color: var(--color-ink);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(10,95,168,.15); }
.field-error { color: #dc2626; font-size: .82rem; margin-top: .35rem; min-height: 1.1em; }
.form-feedback { padding: .9rem 1.1rem; border-radius: .7rem; font-size: .92rem; margin-top: 1rem; display: none; }
.form-feedback.is-success { display: block; background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.form-feedback.is-error { display: block; background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* --------------------------------------------------------------- search */
.search-bar {
  display: grid; gap: 1.1rem; grid-template-columns: 1.6fr 1fr 1fr 1fr auto;
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 1.4rem; box-shadow: var(--shadow-soft);
}
.provider-list { display: grid; gap: 1.1rem; margin-top: 2.2rem; }
.provider-item {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 1.35rem 1.6rem; transition: box-shadow .18s ease, transform .18s ease;
}
.provider-item:hover { box-shadow: var(--shadow-soft); transform: translateY(-2px); }
.provider-item__type {
  font-size: .73rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  color: var(--color-primary); background: var(--color-primary-light); padding: .3rem .7rem; border-radius: 999px;
}

.pagination {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: .4rem; margin-top: 2rem;
}
.pagination__btn {
  min-width: 2.4rem; height: 2.4rem; padding: 0 .7rem;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: #fff; color: var(--color-ink); font-weight: 600; font-size: .9rem;
  cursor: pointer; transition: border-color .15s ease, color .15s ease, background .15s ease, box-shadow .15s ease;
}
.pagination__btn:hover:not(:disabled) {
  border-color: var(--color-primary); color: var(--color-primary); box-shadow: var(--shadow-soft);
}
.pagination__btn.is-active {
  background: var(--color-primary); border-color: var(--color-primary); color: #fff;
}
.pagination__btn:disabled { opacity: .4; cursor: not-allowed; }
.pagination__ellipsis { padding: 0 .35rem; color: var(--color-muted); }

/* ---------------------------------------------------------------- footer */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,.82); }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; gap: 2.75rem; grid-template-columns: 1.4fr 1fr 1fr 1fr; padding: 4.5rem 0 2.25rem; }
.footer-grid h4 { color: #fff; font-size: 1.04rem; margin-bottom: 1.1rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .65rem; font-size: .94rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); padding: 1.4rem 0; font-size: .84rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: .6rem; }
.footer-ans-logo { display: block; height: 2.2rem; width: auto; object-fit: contain; opacity: .9; margin-top: .2rem; }

/* ------------------------------------------------------------- utilities */
.badge-row { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.25rem; }
.badge { font-size: .8rem; font-weight: 600; background: var(--color-primary-light); color: var(--color-primary-dark); padding: .4rem .85rem; border-radius: 999px; }
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--color-primary); color: #fff;
  padding: .6rem 1rem; border-radius: 0 0 .5rem 0; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ----------------------------------------------------- alertas / variações */
.alert { padding: .85rem 1.1rem; border-radius: .7rem; font-size: .92rem; }
.alert-success { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.alert-error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.btn-ghost { background: transparent; color: var(--color-primary); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--color-primary-light); border-color: var(--color-primary-light); }
.badge-muted { background: #f1f5f9; color: var(--color-muted); }

/* --------------------------------------------------- proposta comercial */
.proposal-body { background: linear-gradient(180deg, var(--color-primary-light), var(--color-bg) 320px); }
.proposal-shell {
  max-width: 760px; margin: 0 auto; padding: clamp(2rem, 6vw, 4.5rem) 1.5rem 5rem;
  display: grid; gap: 1.5rem;
}
.proposal-card {
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
  padding: clamp(1.75rem, 5vw, 3rem); text-align: center; max-width: 480px; margin: 4rem auto 0;
}
.proposal-card .brand__mark { margin: 0 auto 1.25rem; width: 3rem; height: 3rem; border-radius: 1rem; font-size: 1.05rem; }
.proposal-card h1 { font-size: 1.5rem; }
.proposal-card form { text-align: left; margin-top: 1.5rem; }

.proposal-content { display: grid; gap: 1.5rem; }
.proposal-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)); color: #fff;
  border-radius: var(--radius-lg); padding: clamp(1.75rem, 5vw, 2.75rem); box-shadow: var(--shadow-card);
}
.proposal-header .badge { background: rgba(255,255,255,.16); color: #fff; }
.proposal-header h1 { color: #fff; margin: .6rem 0 .4rem; font-size: clamp(1.5rem, 4vw, 2rem); }
.proposal-header p { color: rgba(255,255,255,.85); margin: 0; }

.proposal-section {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.25rem); box-shadow: var(--shadow-soft);
}
.proposal-section h2 { font-size: 1.15rem; color: var(--color-primary-dark); }
.proposal-section p:last-child { margin-bottom: 0; }
.proposal-features { list-style: none; margin: 0; padding: 0; display: grid; gap: .65rem; }
.proposal-features li { display: flex; align-items: flex-start; gap: .65rem; }
.proposal-check {
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
  width: 1.6rem; height: 1.6rem; border-radius: 999px; margin-top: .1rem;
  background: var(--color-primary-light); color: var(--color-primary-dark); font-weight: 800; font-size: .85rem;
}
.proposal-value { text-align: center; }
.proposal-value__amount { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; color: var(--color-primary-dark); margin: 0; }
.proposal-cta { text-align: center; background: var(--color-primary-light); border-color: transparent; }
.proposal-cta__actions { display: flex; flex-wrap: wrap; gap: .85rem; justify-content: center; margin-top: 1.25rem; }
.proposal-validity { font-size: .85rem; color: var(--color-muted); margin-top: .35rem; }
.proposal-notes p { margin: 0 0 .65rem; }
.proposal-notes p:last-child { margin-bottom: 0; }
.proposal-notes ul, .proposal-notes ol { margin: 0 0 .65rem; padding-left: 1.4rem; }
.proposal-notes li { margin-bottom: .25rem; }

.badge-success { background: #dcfce7; color: #15803d; }
.badge-warning { background: #fef3c7; color: #b45309; }
.muted, p.muted { color: var(--color-muted); font-size: .9rem; }

/* ------------------------------------------------- contrato de adesão */
.contract-pricing-table { width: 100%; border-collapse: collapse; margin: .75rem 0; }
.contract-pricing-table td { padding: .5rem .75rem; border-bottom: 1px solid var(--color-border); }
.contract-pricing-table td:first-child { color: var(--color-muted); }
.contract-pricing-table td:last-child { text-align: right; font-weight: 600; }

.contract-fieldset {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 1.25rem; margin: 0 0 1.25rem;
}
.contract-fieldset legend { font-weight: 700; color: var(--color-primary-dark); padding: 0 .4rem; }
.form-grid--2col { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.contract-checkbox { display: flex; align-items: center; gap: .6rem; font-weight: 600; cursor: pointer; }
.contract-checkbox input { width: auto; }
.contract-radio-group { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin: .5rem 0 1rem; }
.contract-radio-group label { display: inline-flex; align-items: center; gap: .4rem; font-weight: 500; }
.contract-radio-group input { width: auto; }
.contract-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 1.25rem; }

/* ------------------------------------------------------------------ modal */
.modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(15, 23, 42, .55); }
.modal__panel {
  position: relative; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
  max-width: 560px; width: 100%; max-height: 90vh; overflow-y: auto; padding: clamp(1.5rem, 4vw, 2.25rem);
}
.modal__panel--wide { max-width: 720px; }
.modal__close {
  position: absolute; top: .85rem; right: .85rem; width: 2.25rem; height: 2.25rem; border-radius: 999px;
  border: none; background: var(--color-primary-light); color: var(--color-primary-dark);
  font-size: 1.4rem; line-height: 1; cursor: pointer;
}
body.modal-open { overflow: hidden; }

.signature-pad-wrap, .selfie-capture-wrap { margin-top: 1.25rem; }
.signature-pad-wrap .label, .selfie-capture-wrap .label { display: block; font-weight: 600; margin-bottom: .5rem; }
.signature-pad {
  display: block; width: 100%; max-width: 600px; height: 200px; touch-action: none;
  border: 2px dashed var(--color-border); border-radius: var(--radius-md); background: #fafbfc; cursor: crosshair;
}
.selfie-capture {
  width: 100%; max-width: 360px; aspect-ratio: 4 / 3; border-radius: var(--radius-md);
  overflow: hidden; background: #0f172a; display: flex; align-items: center; justify-content: center;
}
.selfie-capture video, .selfie-capture img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 1100px) and (min-width: 881px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .search-bar { grid-template-columns: 1fr 1fr; }
  .search-bar > div:last-child { grid-column: span 2; }
}

@media (max-width: 880px) {
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header__bar.is-open .nav {
    display: flex; position: absolute; inset: 100% 0 auto; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--color-border); padding: .5rem 1.5rem 1.25rem;
  }
  .site-header__bar.is-open .nav a { padding: .7rem 0; border-bottom: 1px solid var(--color-border); }
  .hero__inner { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; padding: 3rem 0 1.5rem; }
  .search-bar { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .container { padding: 0 1.35rem; }
  .hero__inner { text-align: center; }
  .hero h1 { font-size: clamp(1.9rem, 8vw, 2.35rem); }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero__stats { gap: 1rem; }
  .hero__stat { text-align: center; }
  .section-title { font-size: clamp(1.55rem, 6.5vw, 2rem); }
  .section-lead { font-size: 1rem; }
}